Periodic Table/Bismuth/²¹⁷Bi

← 216Bi218Bi →

²¹⁷Bi

Bismuth-217

Radioactive· Half-life: 1.64 min

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

83

Neutrons (N)

134

Mass Number (A)

217

Atomic Mass

217.009372AMU

Spin / Parity

9/2-

Binding E/A

7.536keV

Natural Abundance

Trace / None

Half-life

1.64 min

Decay Modesoverview · half-life · α · β⁻ · β⁺

β⁻

100.0%

Decay Chain

²¹⁷BiBismuth1.64 min

β⁻100.0%

²¹⁷PoPolonium1.53 s

α97.5%

β⁻²¹⁷At2.50%

²¹³PbLead10.2 min

β⁻100.0%

²¹³BiBismuth45.6 min

β⁻97.9%

α²⁰⁹Tl2.09%

²¹³PoPolonium3.71 μs

α100.0%

²⁰⁹PbLead3.23 h

β⁻100.0%

²⁰⁹BiBismuth20100000000 Gy

α100.0%

²⁰⁵TlThalliumSTABLE

8-step decay chain → stable · Primary path shown · branching ratios indicated

Other Isotopes of Bismuth

184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224

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